IB
IBO
Chemistry
October 2018
QP-201810-Chemistry-P1-SL · Question 15
Question (excerpt):
15. Consider the following reaction: N2 (g) + 3H2 (g) 2NH3 (g) Bond enthalpies / kJ mol−1 (at 298 K) H−H x NòN y N−H z Which calculation gives ∆H Ö, in kJ, for the forward reaction? A. 2z − y − 3x B…
15. Consider the following reaction: N2 (g) + 3H2 (g) 2NH3 (g) Bond enthalpies / kJ mol−1 (at 298 K) H−H x NòN y N−H z Which calculation gives ∆H Ö, in kJ, for the forward reaction? A. 2z − y − 3x B…
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